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Dell Mellanox CX542B 25G 10 Gigabit Fiber Network Card JY91H
- Brand: Dell
- Part Number: JY91H
- MPN: JY91H
- Model: Mellanox ConnectX-5 CX542B
- Type: Fiber Network Interface Card (NIC)
- Compatible Brand: For Dell
- Compatible Model: For Dell PowerEdge Server Series (e.g., R640, R740, R740XD, R940)
- Interface: PCI Express 3.0 x8
- Network Ports: Dual SFP28 (supports 10GbE / 25GbE speeds)
- Controller: Mellanox ConnectX-5 EN
- Data Transfer Rate: Up to 25Gb/s per port
- Supported Standards: IEEE 802.3by, 802.1Q, 802.1p, 802.3ad
- Supported Features: RDMA over Converged Ethernet (RoCE), SR-IOV, VXLAN, NVGRE
- Connector Type: SFP28
- Compatible Cables: Fiber Optic SFP28 or SFP+
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Overview
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The Dell Mellanox CX542B is a high-performance dual-port 25GbE/10GbE SFP28 fiber network card designed for enterprise-grade Dell PowerEdge servers. Powered by the Mellanox ConnectX-5 controller, it delivers low latency, advanced virtualization support, and high throughput ideal for data centers, virtualization, and high-frequency trading environments.
Dual 25GbE/10GbE SFP28 ports for flexible network scalability
PCIe 3.0 x8 interface ensures ultra-fast data throughput
Supports SR-IOV and RoCE for efficient virtualization and low latency
Fully compatible with Dell PowerEdge R640, R740, and R940 servers
Optimized for demanding workloads such as HPC, AI, and cloud computing
Advanced offload features reduce CPU utilization and enhance performance
Enterprise-grade reliability and Dell certification for mission-critical operations
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Fastparts Return Policy
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